It was a relatively sleepless night for some residents in Upper Merion, Montgomery County after a train horn sounded for three hours straight.

Branchburg residents near the Norfolk Southern Lehigh Road crossing will have a partial Quiet Zone from 10 p.m. to 7 a.m., silencing train horns.

Cutting through the heart of the Bywater, Norfolk Southern's railway has caused frustration over its frequent traffic delays and loud whistles. Here's its history.